https://repositorio.ufba.br/handle/ri/15235
Tipo: | Artigo de Periódico |
Título: | A new approach for the thermodynamic modeling of the solubility of amino acids and β-lactam compounds as a function of pH |
Título(s) alternativo(s): | Fluid Phase Equilibria |
Autor(es): | Franco, Luís Fernando Mercier Silva, Silvana Mattedi e Pessôa Filho, Pedro de Alcântara |
Autor(es): | Franco, Luís Fernando Mercier Silva, Silvana Mattedi e Pessôa Filho, Pedro de Alcântara |
Abstract: | A new model to describe the solubility of amino acids and β-lactam compounds as a function of pH is proposed. The description of the solid–liquid equilibrium entails simultaneous calculation of phase and chemical equilibria. The liquid-phase non-ideality was accounted for through an extended Pitzer model for polyelectrolyte solutions. A statistical thermodynamic interpretation of Pitzer's binary interaction parameters is also presented. The model was successfully applied to different systems containing amino-acids, as well as glycine and its oligopeptides and β-lactam compounds such as ampicillin and 6-aminopenicillanic acid. |
Palavras-chave: | Solid–liquid equilibrium β-Lactam compounds Amino acids |
Tipo de Acesso: | Acesso Aberto |
URI: | http://repositorio.ufba.br/ri/handle/ri/15235 |
Data do documento: | 2013 |
Aparece nas coleções: | Artigo Publicado em Periódico (PPEQ) |
Arquivo | Descrição | Tamanho | Formato | |
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1-s2.0-S0378381213002847-main.pdf | 815,24 kB | Adobe PDF | Visualizar/Abrir |
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